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Z.ai: GLM 5.3 FlashX API Pricing
GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and linear attention architecture...
How much does Z.ai: GLM 5.3 FlashX cost for a real workload?
At 10M input + 2M output tokens per month, Z.ai: GLM 5.3 FlashX costs about $6.2 ($3.7 input + $2.5 output). Try your own volumes in the cost calculator.
What are cheaper alternatives to Z.ai: GLM 5.3 FlashX?
- Qwen: Qwen3.7 Plus — $0.32 in / $1.28 out per 1M
- Meta: Muse Glimmer 30B — $0.3 in / $1.2 out per 1M
- Meituan: LongCat 2.0 — $0.3 in / $1.2 out per 1M
- MiniMax: MiniMax M3 — $0.3 in / $1.2 out per 1M
- MiniMax: MiniMax M2.7 — $0.3 in / $1.2 out per 1M
- MiniMax: MiniMax M2-her — $0.3 in / $1.2 out per 1M
Compare Z.ai: GLM 5.3 FlashX with other models
Z.ai: GLM 5.3 FlashX vs Z.ai: GLM 5.3 FlashZ.ai: GLM 5.3 FlashX vs Z.ai: GLM 5.3 Flash (batch)Z.ai: GLM 5.3 FlashX vs Z.ai: GLM 4.7 FlashZ.ai: GLM 5.3 FlashX vs Z.ai: GLM 4.5 AirZ.ai: GLM 5.3 FlashX vs Z.ai: GLM 4.6VZ.ai: GLM 5.3 FlashX vs Z.ai: GLM 5.3
Frequently asked questions
How much does Z.ai: GLM 5.3 FlashX cost?
Z.ai: GLM 5.3 FlashX costs $0.37 per 1M input tokens and $1.25 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $6.2.
What is the context window of Z.ai: GLM 5.3 FlashX?
Z.ai: GLM 5.3 FlashX has a context window of 1,048,576 tokens and can return up to 131,072 output tokens per response.
What are cheaper alternatives to Z.ai: GLM 5.3 FlashX?
Cheaper models include Qwen: Qwen3.7 Plus ($0.32 in / $1.28 out), Meta: Muse Glimmer 30B ($0.3 in / $1.2 out), Meituan: LongCat 2.0 ($0.3 in / $1.2 out). See the full list on this page.
Is Z.ai: GLM 5.3 FlashX free to use?
No. Z.ai: GLM 5.3 FlashX is a paid model at $0.37 input / $1.25 output per 1M tokens. 20 free models are listed on the free models page.
Provider: z-ai · Model ID: z-ai/glm-5.3-flashx · Modality: text+image+video->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices